8GB 2400MHz* DDR4 SDRAM, expandable to 32GB.There are two SO-DIMM slots. One holds a removable 8GB chip and the other is available.*System automatically clocks down for processors with lower memory controller.

4-cell internal Li-polymer battery with 32WHr capacity and 3-cell external Li-polymer battery pack with 24WHr capacity, providing a combined run time of up to 13.8 hours depending on configuration and usage.65W AC adapter